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Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021)

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A special issue of Sustainability (ISSN 2071-1050).

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 16436

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Prof. Dr. Krishna R. Salin

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Associate Professor and Program Chair, Aquaculture and Aquatic Resources Management (AARM), Department of Food, Agriculture and Bio Resources, School of Environment, Resources, and Development, Asian Institute of Technology (AIT), PO Box 4, Khlongluang, Pathumthani 12120, Thailand
Interests: cleaner aquaculture systems; ecosystem-based aquaculture; applied genetics for improved aquatic stocks; breeding and hatchery management; climate change adaptation in fisheries and aquaculture

Special Issue Information

Dear Colleagues,

The key purpose of the 8th International Conference on Fisheries and Aquaculture (ICFA) 2021 (https://aquaconference.com/) is to share the knowledge about the Management of Fisheries and Aquaculture and to discuss and build consensus on issues, challenges, and opportunities under the new normal amidst the COVID-19 pandemic. ICFA 2021 is organized by the International Institute of Knowledge Management (TIIKM) and the South–South Aquaculture and Fisheries Cooperation in collaboration with the Ministry of Marine Affairs and Fisheries, Indonesia, Department of Fisheries, Ministry of Agriculture and Cooperatives, Thailand, Mulawarman University, Indonesia, Khon Kaen University, Thailand, Nong Lam University, Vietnam, and University of Lampung, Indonesia. ICFA 2021 is a premier international forum covering innovative approaches, new techniques, and systems of the fisheries and aquaculture industry while creating an excellent opportunity to meet researchers and world prominent speakers.

The fisheries and aquaculture industry plays an important role in the food system of millions of people in the world. It is also an industry with major unresolved issues because of its negative impact on the environment. Hence, proper management in aquaculture is vital to enhancing the effective utilization of resources while implementing proper solutions for the issues.

This Special Issue mainly focuses on the management of aquaculture and fisheries, primarily on feeds and feeding, seeds and breeding, disease and health, husbandry and production management, harvesting and processing, and value adding and marketing. It also focuses on precautionary measures such as implementing new fishery practices, sustainable fishing methods, safety measures for fishing and aquaculture, and protection of food security and nutrition.

Government involvement in improving aquaculture is also considered in this Special Issue, mainly focusing on the implementation of new procedures to reduce the farming cost, providing financial facilities and encouraging fishing under safety precautions.

This Special Issue calls for papers that promote sustainability of fisheries and aquaculture while discussing the issues, challenges, and opportunities.

Prof. Dr. Krishna R. Salin
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

managing aquaculture
precautionary measures
digital solutions
coastal fisheries
feeds and feeding
breeding and hatchery
disease and health
harvesting
sustainable fishing
food security
dried fish economy
impact of COVID-19
opportunities for development
aquatic biodiversity
mitigating the risks
small-scale fisheries
food supply chain in fisheries and aquaculture
government role in aquaculture

Published Papers (7 papers)

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Research

24 pages, 3577 KiB

Open AccessArticle

The COVID-19 as a Driver for Alternative Trade Networks in the Small-Scale Fisheries: Portugal as a Case Study

by Ana Costa, Joana Soares, Emilio Salas-Leiton, Adriano Bordalo and Sérgia Costa-Dias

Sustainability 2022, 14(11), 6405; https://0-doi-org.brum.beds.ac.uk/10.3390/su14116405 - 24 May 2022

Cited by 4 | Viewed by 1874

Abstract

The fisheries industry has been one of the most immediate and severely impacted sectors by the COVID-19 pandemic and lockdowns in particular. This study aimed to gather detailed information about the new initiatives that, preferentially on an online basis, emerged worldwide to trade fish and seafood. A special focus was applied on the usefulness of the digital tools in Portugal, which was considered as a case study. From a global view, the European countries resulted in being especially active to launch nationwide campaigns promoting the domestic consumption of fishing products. A total of 122 digital initiatives, distributed among 48 countries, mainly in America, Southern Europe, southeast Asia, and Oceania, were recorded all over the world to sell fish and seafood. Social media (33.6%), mainly though Facebook, WhatsApp, phone, and e-mail (25.4%) were the main channels used for this purpose. In Portugal, the entity responsible for the first-sale of fishing products allowed free access to the five online auctions that operate nowadays in this country. As expected, in 2020, this digital space experienced an increase in both users (94%) and volume of traded products (121%) compared to the previous year. Moreover, eight Portuguese online shops specializing in fresh fish and seafood, operating exclusively on an online basis, were identified in this study. In general, all of them reported an increase in new users during the first lockdown and were required to recruit additional employees to fulfil the added demand. In parallel, questionnaire surveys conducted in this study revealed that only 33% of the Portuguese fisher associations and producers organizations looked for new technologies as a valuable tool during the pandemic situation, being significantly more valued in the Northern region compared to the rest of the country. Aligned with this perception, 57% of fisher trainees in the Northern coast of Portugal opined that the pandemic changed their view on how the fishing catches can be traded, one way being the use of digital tools considered by the majority as an asset to face the arisen challenges. In conclusion, the key role globally played by digital tools to overcome many of the limitations posed by the pandemic, particularly for the small-scale fisheries, is evident. This recent open-minded environment for technological transition is an undoubted advantage for the future generation of fishers to modernize the classic trade channels into more functionally diversified supply chains. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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12 pages, 4299 KiB

Open AccessArticle

Data Mining Techniques: New Method to Identify the Effects of Aquaculture Binder with Sardine on Diets of Juvenile Litopenaeus vannamei

by Fabricio Guevara-Viejó, Juan Diego Valenzuela-Cobos, Ana Grijalva-Endara, Purificación Vicente-Galindo and Purificación Galindo-Villardón

Sustainability 2022, 14(7), 4203; https://0-doi-org.brum.beds.ac.uk/10.3390/su14074203 - 01 Apr 2022

Cited by 4 | Viewed by 1550

Abstract

In this research, a dataset of growth performances and nutritional composition of juvenile Litopenaeus vannamei after being fed two diets that include aquaculture binder with sardine for 7 weeks was analyzed using data mining techniques: the K-Means Clustering Algorithm and PCA Biplot, to have a visualization of each parameter (vector) measured. The parameters evaluated were: weight gain, specific growth rate, feed efficiency, protein efficiency ratio, survival percent, moisture content, crude protein, crude lipid, and ash content. Data mining tools showed the juvenile Litopenaeus vannamei fed with mixture 2 (pellets mixed with the binder of sardine subproducts) presented the highest growth performances and nutritional composition, 23 juvenile L. vannamei shrimps showed higher relation with crude protein and crude lipid, 30 L. vannamei shrimps presented higher relation with ash, and 37 juvenile L. vannamei shrimps showed higher relation with ash and moisture. The results obtained in experimental procedures indicate that the use of a binder of sardine subproducts in shrimp diets improves the commercial parameters, improving the aquaculture field. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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11 pages, 1421 KiB

Open AccessArticle

Length Based Stock Assessment of Five Fish Species from the Marine Water of Pakistan

by Hasnain Raza, Qun Liu, Mohammed Shahidul Alam and Yanan Han

Sustainability 2022, 14(3), 1587; https://0-doi-org.brum.beds.ac.uk/10.3390/su14031587 - 29 Jan 2022

Cited by 11 | Viewed by 2336

Abstract

The marine fisheries resources of Pakistan have been drastically affected in the past few decades. Considering the limitations of previous studies and the data poor condition of the marine fisheries of Pakistan, this study employed the length-based Bayesian biomass (LBB) estimation method for analyzing the fisheries’ representative length-frequency data of five exploited marine fish stocks (Nemipterus japonicus, Nemipterus randalli, Parascolopsis aspinosa, Saurida tumbil, and Lepturacanthus savala). The estimates of relative fishing mortality (F/M) are higher than unity in four stocks except for S. tumbil, indicating overfishing. However, the current values relative to unexploited biomass (B/B₀) are below 0.4, which indicates that the stock biomass is deficient in delivering maximum sustainable yield. Overfishing and the mass exclusion of small and older fish from stocks threaten to deplete the biomass of all species. Therefore, this study recommended that increasing the mesh size in commercial fisheries would increase both the catch and biomass of these species. The existing number of boats should be reduced to reduce fishing mortality and bring it back to the ratio of relative fishing mortality (F/M) equal or less than unity, for a sustainable level. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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12 pages, 2391 KiB

Open AccessArticle

Transcriptomic Insight into the Melon Morphology of Toothed Whales for Aquatic Molecular Developments

by Jayan Duminda Mahesh Senevirathna, Ryo Yonezawa, Taiki Saka, Yoji Igarashi, Noriko Funasaka, Kazutoshi Yoshitake, Shigeharu Kinoshita and Shuichi Asakawa

Sustainability 2021, 13(24), 13997; https://0-doi-org.brum.beds.ac.uk/10.3390/su132413997 - 18 Dec 2021

Cited by 2 | Viewed by 2604

Abstract

Aquatic habitats are home to large animals such as marine mammals. Toothed whales have special fat deposits in the forehead region (called the melon) of their heads that are associated with echolocation underwater. This fat is also important industrially for human use. Due to the lack of gene expression information on the melon fat of toothed whales, we investigated the melon morphology via the transcriptomic approach. Four parts of the melons of three individual Risso’s dolphins were used for total RNA extraction, cDNA library preparation, and sequencing via next-generation sequencing (NGS) technologies. After the downstream analysis of raw sequence data, we determined that the outer layer of the melon’s ML4 region played multifunctional roles. The 36 differentially expressed genes of outer melon included ASB5, MYH13, MYOM2, and MYOM3. These genes are associated with muscle function and energy metabolism. Gene clustering and functional enrichment analyses also represented enrichments, such as the pentose phosphate pathway and morphogenesis related to lipid metabolism and muscle functions. This study will be crucial for muscle and fat functional-related molecular studies on aquatic mammals. Additionally, the study presents potential pathways, such as melon fat biosynthesis, for sustainable future developments. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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17 pages, 981 KiB

Open AccessArticle

Assessment of Tilapia–Freshwater Prawn Co-Culture Schemes in Tanks and Lake-Based Cages for Increased Farm Production

by Maria Rowena Robles Romana-Eguia, Mildred Patito Rutaquio, Reylan Caroscos Gutierrez and Nerissa Diaz Salayo

Sustainability 2021, 13(24), 13574; https://0-doi-org.brum.beds.ac.uk/10.3390/su132413574 - 08 Dec 2021

Cited by 4 | Viewed by 3313

Abstract

The technical viability of tilapia (I-ExCEL strain Nile or red) and giant freshwater prawn (GFP) co-culture in cages-within-tanks was evaluated while appropriate feeding protocols for tilapia-GFP co-culture in cages in a eutrophic lake were determined. Specifically, production parameters in all test species grown for five months in tank co-culture (where only tilapias were fed) were compared, while the best feeding protocol from among the following treatments: (a) T_fed—fed tilapias; (b) GFP_fed—fed prawns and (c) T-GFP_fed—both species fed, were defined. I-ExCEL Nile tilapias grew faster in tank co-culture whether reared singly or otherwise. However, red tilapia-GFP tank co-culture gave the best results considering key production traits in all test species (red tilapia —2.52%/day specific growth rate or SGR, 83.3% survival; GFP—1.17%/day SGR, 72.85% survival). Lake-based co-culture was technically feasible at stocking densities of 12.5/m² for tilapia and 2.4 to 4/m² for prawns even when only tilapias were fed; prawns grew to desired marketable sizes by thriving mainly on detritus and natural food organisms in the lake. However, further refinements can still be made to optimise the co-culture schemes to make them more sustainable and provide artisanal fish farmers options in increasing farm yields through multi-species aquaculture. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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17 pages, 1069 KiB

Open AccessArticle

A Comparison of Vulnerability Risks and Conservation Perceptions between Mariculture, Fishery and Ecotourism Livelihood Groups in a Multi-Use MPA in Indonesia

by Hatim Albasri and Jesmond Sammut

Sustainability 2021, 13(22), 12897; https://0-doi-org.brum.beds.ac.uk/10.3390/su132212897 - 22 Nov 2021

Cited by 2 | Viewed by 1993

Abstract

Different livelihoods have different vulnerability risks and influences on the management of marine protected areas (MPAs). This research aimed to compare the seasonal, trend and shock livelihood vulnerability indicators (LVIs) of three dominant livelihood groups and the groups’ perceptions towards supporting MPA conservation efforts. The Anambas Archipelago MPA was selected as the study site. A total of 66 respondents from the three major groups were selected using stratified random sampling and interviewed using a questionnaire containing 14 LVIs. The responses were standardised and aggregated using functional relationships. The groups’ perceptions were determined using frequency distribution and thematic analyses (NVIVO 10). The LVI composite values showed that fishers were the most vulnerable (0.65), followed by fish farmers (0.62) and ecotourism operators (0.47). Fishers and fish farmers expressed high vulnerability due to their dependency on the coastal resources. The ecotourism operators had low vulnerability due to their lower dependency on natural resources, smaller impacts from seasonal weather, low involvement in resource conflicts and greater political support. The three groups supported the MPA regimes despite differences in their knowledge of the MPA restrictions on their livelihood practices. The study’s findings provide key alternative strategies to address the vulnerability risks of the three major groups and to increase their support for conservation goals in similar MPAs. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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14 pages, 634 KiB

Open AccessArticle

Harvest Rates of Rheophilic Fish Vimba vimba, Chondrostoma nasus, and Barbus barbus Have a Strong Relationship with Restocking Rates and Harvest Rates of Their Predator Silurus glanis in Lowland Mesotrophic Rivers in Central Europe

by Roman Lyach

Sustainability 2021, 13(20), 11379; https://0-doi-org.brum.beds.ac.uk/10.3390/su132011379 - 15 Oct 2021

Cited by 4 | Viewed by 1476

Abstract

The European catfish Silurus glanis (Linnaeus, 1758) is an expanding apex piscivorous predator whose predation may drive fish harvest rates and fish populations. This study aimed to analyze the relationships between intensive catfish stocking/harvesting and harvest rates of putative catfish prey–three rheophilic fish species: vimba bream Vimba vimba, nase Chondrostoma nasus, and barbel Barbus barbus (Linnaeus, 1758). The GAM (generalized additive model) was used to analyze the relationships between the harvest rate and the stocking intensity rate of the catfish and the three rheophilic fish species. The harvest rates and stocking intensity rates were obtained from mandatory angling logbooks collected from 38,000 individual recreational anglers by the Czech Fishing Union on 176 fishing sites over the years 2005–2017 in central Bohemia and Prague (the Czech Republic). Our results show that a higher intensity of catfish stocking and harvesting resulted in a lower harvest rate of rheophilic fishes. Conversely, the stocking rates of rheophilic fishes were not significantly correlated to their harvest rates. In conclusion, a significant negative relationship was found between the harvest rate and the restocking rates of rheophilic fishes and their predator, suggesting that fisheries managers should not perform intensive stocking of both catfish and rheophilic fishes on the same rivers. Full article

(This article belongs to the Special Issue Sustainability of Fisheries and Aquaculture: Selected Papers from the 8th International Conference on Fisheries and Aquaculture (ICFA 2021))

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